How did the author of the Sai Satcharita receive permission to write the book, and what were Sai Baba's specific instructions?

Sai Baba, feeling compassion for the author, granted him permission to create a collection of his stories and experiences. As detailed in Chapter 2, Baba offered his full assistance, proclaiming, "I myself shall write my own story!" The primary instruction was for the author to completely dissolve his ego and surrender it at Baba's feet. Sai promised that for one who acts this way, He would not only help with the story but serve them in all ways. He explained that when the ego is gone, He himself enters with 'I-ness' to write, making the author merely a pretext for the work.